Eaton 85100E2039P50 Receptacle - MIL-DTL-26482 SI
Part Number: 85100E2039P50
Quick Summary
Eaton Souriau 851 series MIL-DTL-26482 SI qualified connectors provide rugged square flange receptacles for industrial and aerospace interconnects. Designed to withstand vibration and field conditions, these parts reduce installation risk and rework by offering precise alignment and robust sealing. Key certifications include MIL-DTL-26482 SI qualification and REACH compliance, underscoring durability and regulatory readiness. With an aluminium shell, cadmium plating, and a compact 34.5 mm length, the unit delivers a strong balance of strength and footprint. The backnut straight backshell and 1/3 bayonet coupling enable fast mating and secure retention, while 39 contacts support complex signal and power layouts for critical systems.
Product Information
Extended Description
85100E2039P50 Eaton: Square flange receptacle, with backnut, cadmium plating, male solder contacts, pos N; 85100E2039P50
Product Name
Eaton Souriau 851 series MIL-DTL-26482 SI qualified
Catalog Number
85100E2039P50
Product Length/Depth
34.5 mm
Product Height
36.9 mm
Product Width
36.9 mm
Product Weight
46.8 g
Environmental conditions
REACH
Backshell angle
Straight
Backshell type
Backnut
Connector accessory option
Delivered with connector
Connector orientation
N
Connector type
Receptacle
Contact delivery
Loaded
Contact gender
Pin (Male)
Contact type
Solder Cup
Coupling type
1/3 Bayonet
Layout
39
Plating
Cadmium
Shell material
Aluminium
Shell size
20
Operating temperature - max
125 °C
Operating temperature - min
-40 °C
Receptacle type
Square Flange Receptacle
Number Of Contacts
39
Number of cavity #20
39
Feature MIL-DTL-26482 SI qualification → Business Impact Regulatory compliance and proven performance under vibration in demanding environments → Application Aerospace, defense, and rugged industrial interconnects. Feature 39 contacts in a dense 39-position layout → Business Impact Higher channel density in a compact shell reduces harness complexity and assembly time → Application Avionics, industrial machinery, and telemetry systems. Feature 1/3 bayonet coupling → Business Impact Fast, reliable mating with secure retention minimizes downtime during field installation → Application Easy-field assembly and serviceability. Feature Backnut straight backshell with cadmium plating and aluminium shell → Business Impact Lightweight yet durable construction improves reliability in temperature extremes and reduces total system weight → Application Aircraft, heavy equipment, and control panels. Feature Delivered with connector option → Business Impact Simplified sourcing and quicker deployment, lowering total cost of ownership → Application Integrated systems and modular cabinets.
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FAQs
Begin by aligning the square flange with the panel cutout, secure the backnut to ensure a tight seal, and engage the backnut straight backshell. Use the 1/3 bayonet coupling to mate with the corresponding plug, then terminate the solder cup contacts as specified for your signal and power requirements. This sequence minimizes misalignment and helps maintain environmental integrity in vibration-heavy applications.
The connector features 39 solder cup contacts in a MIL-DTL-26482 SI qualified receptacle, with aluminum shell and cadmium plating. It operates from -40 °C to 125 °C and is REACH compliant, supporting regulatory adherence and long-term reliability in harsh environments.
Yes. MIL-DTL-26482 SI qualification specifically targets high-reliability interconnects under vibration, temperature extremes, and mission-critical conditions, making the 85100E2039P50 well-suited for aerospace, defense, and other demanding industries.
Connector accessory option indicates the unit is delivered with the mating connector. This streamlines procurement and reduces integration time, especially in tight timelines or when sourcing compatible harnesses for 39-contact interfaces.
The combination of robust MIL-DTL-26482 SI qualification, high contact density, and Bayonet mating reduces maintenance and field downtime, while the lightweight aluminium shell and compact footprint save weight and space. These factors translate to lower lifecycle costs, faster assembly, and lower risk in critical systems.